IPA: /ˌɪntərˈɛθnɪk/
KK: /ɪntərˈɛθnɪk/
Relating to or occurring between different ethnic groups or their members.
The interethnic dialogue helped to improve understanding among the communities.
Interethnic → It is formed from "inter-" (meaning between) and "ethnic" (from Greek "ethnos", meaning nation or people). The word describes relationships or interactions that occur between different ethnic groups.
Think of 'between' ('inter-') different 'nations' or 'people' ('ethnic') to remember that 'interethnic' refers to interactions among various ethnic groups.